Vulnerability Description
Ella Core is a 5G core designed for private networks. Versions prior to 1.7.0 panic when processing Authentication Response and Authentication Failure NAS message missing IEs. An attacker able to send crafted NAS messages to Ella Core can crash the process, causing service disruption for all connected subscribers. No authentication is required. Version 1.7.0 added IE presence verification to NAS message handling.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ellanetworks | Ella Core | < 1.7.0 |
Related Weaknesses (CWE)
References
- https://github.com/ellanetworks/core/commit/52962660e3bd3e23c7e96b0da270ac1e0e70Patch
- https://github.com/ellanetworks/core/releases/tag/v1.7.0Release Notes
- https://github.com/ellanetworks/core/security/advisories/GHSA-55q8-2gwx-29pcVendor Advisory
FAQ
What is CVE-2026-33907?
CVE-2026-33907 is a vulnerability with a CVSS score of 6.5 (MEDIUM). Ella Core is a 5G core designed for private networks. Versions prior to 1.7.0 panic when processing Authentication Response and Authentication Failure NAS message missing IEs. An attacker able to send...
How severe is CVE-2026-33907?
CVE-2026-33907 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-33907?
Check the references section above for vendor advisories and patch information. Affected products include: Ellanetworks Ella Core.